C5U Factory-verified

Chevrolet · Regular Production Option

GVW rating, 6,800 lbs

Years 1997–09, 2014–16, 2020, 2025–26 Models 14 Factory citations 64

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Also described as GVW rating, 6,800 lbGVW rating, 6800 lbsGVWR, 6800 lbs (3084 kg)

Also documented for Cadillac GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Avalanche, p.52.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.34.
GM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.122.

Avalanche — GMT900 (2007–2013)

2007–2008 Factory-verified

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.

C/K pickup — GMT400 (1988–2000)

1998–2000 Factory-verified

the 1999–2000 lists print "6800KBS"

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.

Silverado — GMT800 (1999–2007)

1999–2002, 2004–2007 Factory-verified

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Truck and Silverado, p.55.
GM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.197.
GM Heritage factory kit — 2006 Chevrolet Silverado, p.270.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.260.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Silverado — K2XX (2014–2019)

2015 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.

Silverado — T1XX (2019–2026)

2020, 2025–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM prints "6800KBS"

GM factory document — 1998 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy suburban 2wd rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2000–2006 Factory-verified

GM factory document — 2000 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Suburban, p.45.
GM Heritage factory kit — 2001 Chevrolet Suburban, p.49.
GM Heritage factory kit — 2002 Chevrolet Suburban, p.35.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.40.

Suburban — GMT900 (2007–2014)

2007–2008 Factory-verified

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT400 (1995–1999)

1997–1999 Factory-verified

GM prints "6800KBS"

GM factory document — 1998 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Tahoe, p.24.
GM Heritage factory kit — 1998 Chevrolet Tahoe, p.50.
GM Heritage factory kit — 1999 Chevrolet Tahoe, p.24.

Tahoe — GMT800 (2000–2006)

2000–2006 Factory-verified

GM factory document — 2000 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Tahoe, p.45.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.42.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.28.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.114.
GM Heritage factory kit — 2004 Chevrolet Tahoe, p.32.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.135.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.110.

Tahoe — GMT900 (2007–2014)

2007–2008, 2014 Factory-verified

GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet tahoe police vehicle fleet order guide wayback, p.4.

Tahoe — K2XX (2015–2020)

2016 Factory-verified

only in: 2WD Police Vehicle: S

GM factory document — 2016 chevrolet tahoe police vehicle fleet order guide wayback, p.4, p.5.

This page aggregates every documented appearance of C5U in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.